103 lines
2.6 KiB
TypeScript
103 lines
2.6 KiB
TypeScript
import { Character, InventoryItem, TimedBuildBuff } from "../types";
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export type InventoryUseEffect = {
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hpRestore: number;
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manaRestore: number;
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cooldownReduction: number;
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buildBuffs: TimedBuildBuff[];
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};
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function getRarityMultiplier(rarity: InventoryItem["rarity"]) {
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switch (rarity) {
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case "legendary":
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return 2.4;
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case "epic":
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return 1.9;
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case "rare":
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return 1.55;
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case "uncommon":
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return 1.2;
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default:
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return 1;
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}
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}
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export function isInventoryItemUsable(item: InventoryItem) {
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return (
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Boolean(item.useProfile) ||
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item.tags.includes("healing") ||
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item.tags.includes("mana")
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);
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}
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export function resolveInventoryItemUseEffect(
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item: InventoryItem,
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character: Character,
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): InventoryUseEffect | null {
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if (!isInventoryItemUsable(item)) return null;
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if (item.useProfile) {
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return {
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hpRestore: item.useProfile.hpRestore ?? 0,
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manaRestore: item.useProfile.manaRestore ?? 0,
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cooldownReduction: item.useProfile.cooldownReduction ?? 0,
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buildBuffs: item.useProfile.buildBuffs ?? [],
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};
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}
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const rarityMultiplier = getRarityMultiplier(item.rarity);
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const hasHealing =
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item.tags.includes("healing") ||
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/药|包|补给|恢复|疗伤|meat|apple|mushroom|water/i.test(item.name);
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const hasMana =
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item.tags.includes("mana") ||
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/灵液|法力|mana|crystal|essence|spirit/i.test(item.name);
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const hpRestore = hasHealing
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? Math.max(
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10,
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Math.round((14 + character.attributes.spirit * 1.4) * rarityMultiplier),
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)
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: 0;
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const manaRestore = hasMana
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? Math.max(
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8,
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Math.round(
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(12 + character.attributes.intelligence * 1.4) * rarityMultiplier,
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),
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)
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: 0;
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const cooldownReduction = /凝神|回气|醒神|booster|essence/i.test(item.name)
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? 1
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: 0;
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if (hpRestore <= 0 && manaRestore <= 0 && cooldownReduction <= 0) {
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return null;
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}
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return {
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hpRestore,
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manaRestore,
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cooldownReduction,
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buildBuffs: [],
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};
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}
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export function buildInventoryUseResultText(
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item: InventoryItem,
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effect: InventoryUseEffect,
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) {
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const parts = [
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effect.hpRestore > 0 ? `恢复 ${effect.hpRestore} 点气血` : null,
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effect.manaRestore > 0 ? `恢复 ${effect.manaRestore} 点灵力` : null,
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effect.cooldownReduction > 0
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? `额外推进 ${effect.cooldownReduction} 回合冷却`
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: null,
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effect.buildBuffs.length > 0
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? `获得 ${effect.buildBuffs.map(buff => buff.name).join("、")}`
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: null,
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].filter(Boolean);
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return `你取出${item.name}立刻使用，${parts.join("，")}。`;
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}
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